无损

Secondly, the Raman spectra of five familiar jades including nephrite, Xiuyan Jade, Dushan Jade (mainly composed of anorthite and Zoisite), turquoise and lapis lazuli were summarized respectively.

然后分别通过对浙江良渚遗址和河南安阳殷墟遗址出土的4件中国古代玉器与新疆和田地区出产的软玉样品进行对比研究，成功地利用激光拉曼光谱技术对一批中国古代玉器进行了无损鉴定，从而阐明该项技术在中国古代玉器结构测试和材质鉴定中是一种很好的无损分析研究方法。

Acoustics; audiometric test methods; part 2: sound field audiometry with pure tone and narrow-band test signals

信息技术。连续色调静态图像的无损和近似无损压缩。第2部分：扩充

This paper brings forward a non-destructive measurement method based on bilinear mapping which aimed at problems of how to correct image and wipe off texture feature to conduct non-destructive measurement of soybean-leaf area using computer vision technology.

该项研究针对大豆叶面积无损测量中校正图像和去除叶片纹理特征等问题上，提出了基于双线性映射的无损测量法。

The concept of POPI Loss-Free Two-Port Network is given. The circuits to realize loss-free controllable time-variable transformer by open-loop and closedloop control of transfer ratio k are discussed. The POPI topology to realize loss-free controllable gyrator are given.

分析研究了五种无损双口网络，给出了无损POPI双口网络概念，设计了开、闭环控制变比k以实现无损可控时变变压器的电路结构，给出了实现无损可控回转器的POPI电路。

Transient pulse test is an efficient nondestructive method of testing electric igniter,and its principle is introduced briefly.

简要介绍了电点火具无损检测方法的原理，针对火箭弹发动机中电点火具的特点，利用电点火具的温升曲线，采用神经网络识别技术，对电点火具的质量进行判别，无损检测判别结果与实际发火试验结果基本一致。

It is significant to detect defect in multilayered metal structures of aircraft.

飞机多层金属结构中缺陷的检测和定量分析是目前航空无损检测领域面临的一个严峻挑战，研究能对其实施有效检测的无损检测方法，是目前急需解决的问题。

With applying computer technology to nondestructive detection area, the computer vision has become a vital embranchment, and the span-new application domain of nondestructive detection is exploited.

随着计算机技术向无损检测技术的渗透，机器视觉已成为无损检测技术中的一个颇具生命力的分支，并开拓出无损检测技术崭新的应用领域。

Given the merit of insubjection to the restrictions of material and structure, in many developed countries, ICT is widely applied into non-destructive testing, evaluation and reverse engineering in many fields. Considered as the best NDT approach in the modern world, ICT has broad application perspective and favorable developing future.

由于具有不受材料和结构限制的优点，ICT在发达国家已被广泛应用于各产业部门的无损检测、无损评估与逆向工程等研究，被誉为当代最佳无损检测手段，具有广阔的应用前景和良好的发展前途。

Some useful conclusions were obtained. Also the numerical model used for LNG was used to study the rule of ventless storage duration under different components. The general rule for mixture was obtained.

同时使用液化天然气无损储存计算模型对不同组分的LNG混合物的无损储存规律进行了研究，得到多组分混合物无损储存的一般规律。

In order to enhance the application of NDE technology into evaluation of safety of ancient wood structure and health situation of old tree in China, this paper mainly discuss the major uses , common techniques and equipment of NDE used in wood preservation.

本文着重论述了无损检测技术在木材保护中的主要用途以及主要的无损检测技术，还介绍了国内外木材保护常用的无损检测仪器，为无损检测技术在我国木材保护中的应用提供参考。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。